How to correctly select sewage pump control cabinet?

In sewage pump, an important device, control box, use the appropriate control box in the use of sewage pump has a very important role, therefore, when we choose to control box, be sure to find suitable sewage pump control box, and to correctly choose sewage pump control box, first of all, we should understand the types of control box.

Control box is also known as control cabinet or electric control cabinet, it can be classified according to the startup mode. The simplest control box is the direct start (applicable to 0.37 ~ 22 KW motor), the second is the star triangle control box (applicable to 15 ~ 90 KW), and the third for the lotus root step-down control box (applicable to 15 ~ 160 KW), the fourth for the soft start control box (applicable to 15 ~ 225 KW), fifth as change start control cabinet (applicable to more than 0.75 KW).

The above five is the kind of the control box and applicable motor power, according to the characteristics of the electric cabinet we can choose the sewage pump control box. A simple example, if the sewage pump (click the selection) of motor power of 30 kw, then we can choose the second, third, fourth and fifth. If you want to accurate choice, so we must pay attention to some details, such as budget cost, if the budget cost is high, so we can choose the variable-frequency, energy saving, as well as the control box to protect the pump. If the budget is not much, so we can choose step-down type. It is important to note that no matter what form the control box will have to decide according to the amount of the sewage pump and motor. Such as a control, a control two or one with a case and so on.

To sum up, the selection of sewage pump control box need according to the motor power, cost budget, to determine the number of pumps and control form.